Can I legally use the TM symbol before I apply for a trademark registration? Yes. But not the ® (circle r) symbol. Learn to use trademark symbols properly.
Must you display the registered trademark symbol ® to afford protection?
8 Feb 2012
Yes. Displaying the registered trademark symbol ® provides actual notice and provides the ability to claim profits and damages in a later trademark enforcement lawsuit.
Where does the TM symbol have to go?
6 Feb 2012
The most conservative advice related to trademark marking usually consists of having an appropriate mark each and every time that the trademark is used.
